-- Thanks Minecraft wiki! https://minecraft.wiki/w/Note_Block
local NOTES = {
  {2^(-12/12), "#77D700"},
  {2^(-11/12), "#95C000"},
  {2^(-10/12), "#B2A500"},
  {2^(-9/12), "#CC8600"},
  {2^(-8/12), "#E26500"},
  {2^(-7/12), "#F34100"},
  {2^(-6/12), "#FC1E00"},
  {2^(-5/12), "#FE000F"},
  {2^(-4/12), "#F70033"},
  {2^(-3/12), "#E8005A"},
  {2^(-2/12), "#CF0083"},
  {2^(-1/12), "#AE00A9"},
  {2^(0/12), "#8600CC"},
  {2^(1/12), "#5B00E7"},
  {2^(2/12), "#2D00F9"},
  {2^(3/12), "#020AFE"},
  {2^(4/12), "#0037F6"},
  {2^(5/12), "#0068E0"},
  {2^(6/12), "#009ABC"},
  {2^(7/12), "#00C68D"},
  {2^(8/12), "#00E958"},
  {2^(9/12), "#00FC21"},
  {2^(10/12), "#1FFC00"},
  {2^(11/12), "#59E800"},
  {2^(12/12), "#94C100"},
}

local NOTE_POSITION_KEY = "pitch_position"

local function after_place_node(pos)
  local meta = core.get_meta(pos)

  meta:set_int(NOTE_POSITION_KEY, #NOTES)
end

local function play_sound(pos)
  local meta = core.get_meta(pos)
  local opts = NOTES[meta:get_int(NOTE_POSITION_KEY)]
  local pitch = opts[1]

  core.sound_play("pyutest-note", {
    pos = pos,
    gain = 0.5,
    pitch = pitch
  })

  math.randomseed(os.time())
  core.add_particle({
    texture = "pyutest-note.png^[multiply:"..opts[2],
    pos = pos + vector.new(0, 1, 0),
    velocity = vector.new(0, 0.45, 0),
    expirationtime = 1,
    size = 2,
    vertical = true,
  })
end

PyuTest.make_electricity_device("pyutest_electricity:note_block", "Note Block", {
  choppy = PyuTest.BLOCK_FAST
}, {"pyutest-note-block.png"}, nil, {
  after_place_node = after_place_node,
  on_rightclick = function (pos, node, clicker)
    local meta = core.get_meta(pos)
    local ppos = meta:get_int(NOTE_POSITION_KEY)

    if ppos == #NOTES then
      meta:set_int(NOTE_POSITION_KEY, 1)
    else
      meta:set_int(NOTE_POSITION_KEY, ppos + 1)
    end

    play_sound(pos)
  end
}, function (pos, node, sender_pos)
  play_sound(pos)
end)